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Effect of Essential Oils Supplemented with Caprylic Acid and Sodium Chloride against Faecal ESBL-Producing Escherichia coli Isolated from Pigs. Antibiotics (Basel) 2022; 11:antibiotics11040461. [PMID: 35453213 PMCID: PMC9029664 DOI: 10.3390/antibiotics11040461] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 11/17/2022] Open
Abstract
The purpose of the present investigation was to compare the antibacterial activity of six commercial and lab-scale extracted essential oils (EOs) alone or in combination with caprylic acid (CA) and sodium chloride (NaCl) against faecal Escherichia coli with and without extended-spectrum beta-lactamase (ESBL) encoding genes, and of isolates classified as multidrug-resistant (MDR). Gas chromatography−mass spectrometry (GC−MS) was used for the analysis of chemical composition of EOs, while the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) assays were carried out to elucidate the antibacterial activity of non-supplemented and supplemented EOs against different resistance levels of E. coli strains. The main compounds in commercial EOs were aromatic monoterpenoids (30−56%) and p-cymene (8−35%), while the main compounds in the lab-scale EOs were aromatic monoterpenoids (12−37%) and γ-terpinene (18−22%). Commercial EOs exhibited superior inhibitory activity of E. coli in comparison to lab-scale produced EOs. Antibacterial activity of EOs was significantly enhanced by enrichment of the EOs with NaCl (p < 0.001) or CA (p = 0.012). Most of the non-supplemented EOs exhibited lower activity against MDR and ESBL producing E. coli. In contrast, EOs supplemented with CA and especially NaCl was equally effective against ESBL and non-ESBL as well as MDR and non-MDR E. coli. It was found that supplementation of EOs with NaCl could enhance the antibacterial activity towards ESBL and MDR E. coli isolates. However, additional studies are needed to clarify the potential risks of developing resistance.
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Borneol reduces sympathetic vasomotor hyperactivity and restores depressed baroreflex sensitivity in rats with renovascular hypertension. Hypertens Res 2022; 45:802-813. [DOI: 10.1038/s41440-022-00868-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/28/2021] [Accepted: 01/09/2022] [Indexed: 12/12/2022]
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Machine Learning Analysis of Essential Oils from Cuban Plants: Potential Activity against Protozoa Parasites. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041366. [PMID: 35209156 PMCID: PMC8878085 DOI: 10.3390/molecules27041366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/10/2022] [Accepted: 02/15/2022] [Indexed: 12/04/2022]
Abstract
Essential oils (EOs) are a mixture of chemical compounds with a long history of use in food, cosmetics, perfumes, agricultural and pharmaceuticals industries. The main object of this study was to find chemical patterns between 45 EOs and antiprotozoal activity (antiplasmodial, antileishmanial and antitrypanosomal), using different machine learning algorithms. In the analyses, 45 samples of EOs were included, using unsupervised Self-Organizing Maps (SOM) and supervised Random Forest (RF) methodologies. In the generated map, the hit rate was higher than 70% and the results demonstrate that it is possible find chemical patterns using a supervised and unsupervised machine learning approach. A total of 20 compounds were identified (19 are terpenes and one sulfur-containing compound), which was compared with literature reports. These models can be used to investigate and screen for bioactivity of EOs that have antiprotozoal activity more effectively and with less time and financial cost.
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Uncommon Terpenoids from Salvia Species: Chemistry, Biosynthesis and Biological Activities. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27031128. [PMID: 35164392 PMCID: PMC8838292 DOI: 10.3390/molecules27031128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/05/2022] [Accepted: 02/06/2022] [Indexed: 11/20/2022]
Abstract
The search for new bioactive compounds from plant sources has been and continues to be one of the most important fields of research in drug discovery. However, Natural Products research has continuously evolved, and more and more has gained a multidisciplinary character. Despite new developments of methodologies and concepts, one intriguing aspect still persists, i.e., different species belonging to the same genus can produce different secondary metabolites, whereas taxonomically different genera can produce the same compounds. The genus Salvia L. (Family Lamiaceae) comprises myriad distinct medicinal herbs used in traditional medicine worldwide that show different pharmacological activities due to the presence of a variety of interesting specialized metabolites, including mono-, sesqui-, di-, sester-, tri-, tetra-, and higher terpenoids as well as phenylpropanoids, phenolic acid derivatives, lignans, flavonoids, and alkaloids. We herein summarize the research progress on some uncommon terpenoids, isolated from members of the genus Salvia, which are well recognized for their potential pharmacological activities. This review also provides a current knowledge on the biosynthesis and occurrence of some interesting phytochemicals from Salvia species, viz. C23-terpenoids, sesterterpenoids (C25), dammarane triterpenoids (C30), and uncommon triterpenoids (C20+C10). The study was carried out by searching various scientific databases, including Elsevier, ACS publications, Taylor and Francis, Wiley Online Library, MDPI, Springer, Thieme, and ProQuest. Therefore, 106 uncommon terpenoids were identified and summarized. Some of these compounds possessed a variety of pharmacological properties, such as antibacterial, antiviral, antiparasitic, cytotoxic and tubulin tyrosine ligase inhibitory activities. Due to the lack of pharmacological information for the presented compounds gathered from previous studies, biological investigation of these compounds should be reinvestigated.
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7-Acetoxyhorminone from Salvia multicaulis Vahl. as Promising Inhibitor of 3-Hydroxy-3-methylglutaryl Coenzyme A (HMG-CoA) Reductase. Pharmaceuticals (Basel) 2022; 15:ph15020198. [PMID: 35215310 PMCID: PMC8880194 DOI: 10.3390/ph15020198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/21/2022] [Accepted: 01/29/2022] [Indexed: 12/07/2022] Open
Abstract
3-Hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase is a key enzyme involved in cholesterol biosynthesis and one of the most important targets for the treatment of hypercholesterolemia. A limited number of studies on the HMG-CoA reductase inhibitory potential of natural products are available. Thus, in the current study, we aimed to test the HMG-CoA reductase inhibitory capacity of extracts from the roots and aerial parts of Salvia multicaulis Vahl., through activity-guided isolation. Our findings revealed that the root extract prepared with dichloromethane–acetone (1:1) showed the highest inhibition (71.97 ± 0.37%) at 100 µg/mL. The extract was then initially fractionated by column chromatography and the obtained fractions were monitored by thin layer chromatography. Fractions which were similar to each other were combined and a total of 15 fractions were obtained. Further conventional chromatographic studies were carried out on the active fractions. Based on these fractions, 10 known compounds, comprising 9 terpenes and 1 steroid derivative in total, were isolated and their structures were verified by a combination of IT-TOF-MS, and 1D and 2D NMR techniques. According to the enzyme inhibition data of the identified compounds, 7-acetoxyhorminone exerted the highest inhibition (84.15 ± 0.10%, IC50 = 63.6 ± 1.21 µg/mL). The molecular docking experiments on 7-acetoxyhorminone and horminone indicated that both compounds strongly bind to the active site of the enzyme.
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Doğan M, Akıcı N, Diken ME, Doğan S, Yilmaz Kardas B, Dirmenci T. Biological activities of some Salvia species. Z NATURFORSCH C 2021; 77:133-143. [PMID: 34547196 DOI: 10.1515/znc-2021-0136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 08/19/2021] [Indexed: 11/15/2022]
Abstract
In this study, total phenolic, flavonoid and protein contents, antiradical capacities, antibacterial and cytotoxic properties of five different Salvia species (Salvia macrochlamys Boiss., Salvia kronenburgii Rech.f., Salvia euphratica Montbret. ex Aucher var. euphratica, Salvia huberi Hedge and Salvia kurdica Benth) were investigated. The total phenolic content of the species was in the range of 59.6 ± 20 to 150.1 ± 1.1 mg/g, total flavonoid content in the range of 20.4 ± 2.2 to 38.9 ± 4.1 mg/g, and total protein content in the range of 14.0 ± 0.5 to 22.0 ± 1.1 mg/g. Radical scavenging capacities of the Salvia species were determined in the range of 84.1 ± 4.5 to 96.8 ± 0.1%. Moreover, Salvia extracts showed powerful antibacterial activity against Escherichia coli and Staphylococcus aureus bacteria. Cytotoxic effects of the samples on human lymphocytes were determined by MTS assay and S. kronenburgii and S. euphratica var. euphratica decreased the harmful effects of 2-hydroperoxy-2-methylpropane (tert-butyl hydroper-oxide, t-BOOH) at all time points tested. The highest amounts of rutin hydrate belong to S. kronenburgii and S. euphratica var. euphratica, and the highest amounts of luteolin-7-glucoside belong to S. huberi and S. kronenburgii. Vanillic acid was present only in S. huberi and S. kurdica.
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Affiliation(s)
- Mehmet Doğan
- Department of Chemistry, Faculty of Science and Literature, Balikesir University, 10145 Balıkesir, Turkey
| | - Nurdan Akıcı
- Department of Chemistry, Faculty of Science and Literature, Balikesir University, 10145 Balıkesir, Turkey
| | - Mehmet Emin Diken
- Science and Technology Application and Research Center, Balıkesir University, Balıkesir, Turkey
| | - Serap Doğan
- Department of Molecular Biology and Genetics, Faculty of Science and Literature, Balikesir University, 10145 Balıkesir, Turkey
| | - Begumhan Yilmaz Kardas
- Department of Molecular Biology and Genetics, Faculty of Science and Literature, Balikesir University, 10145 Balıkesir, Turkey
| | - Tuncay Dirmenci
- Department of Biology, Faculty of Necatibey Education, Balikesir University, Balıkesir, Turkey
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DULGER G, DÜLGER B. Antifungal activity of Salvia verticillata subsp. verticillata against fungal pathogens. DÜZCE ÜNIVERSITESI SAĞLIK BILIMLERI ENSTITÜSÜ DERGISI 2021. [DOI: 10.33631/duzcesbed.877107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Servi H, Eren Keskin B, Yılancıoğlu K, Çelik S. Essential oil composition and antibacterial activities of Gypsophila species. INTERNATIONAL JOURNAL OF SECONDARY METABOLITE 2019. [DOI: 10.21448/ijsm.454942] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Composition and Antioxidant, Anticholinesterase, and Antibacterial Activities of the Essential Oil of Salvia buchananii from Algeria. Chem Nat Compd 2018. [DOI: 10.1007/s10600-018-2414-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Davari M, Ezazi R. Chemical composition and antifungal activity of the essential oil of Zhumeria majdae, Heracleum persicum and Eucalyptus sp. against some important phytopathogenic fungi. J Mycol Med 2017; 27:463-468. [PMID: 28757068 DOI: 10.1016/j.mycmed.2017.06.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 05/31/2017] [Accepted: 06/06/2017] [Indexed: 11/15/2022]
Abstract
Application of essential oils of medicinal plants is considered a safe and acceptable method for plant disease management to protect plants from pathogenic microorganisms. Thus, in recent study, essential oils (EOs) from Zhumeria majdae, Heracleum persicum (two Iranian endemic plants) and Eucalyptus sp. were assayed for their antifungal potential against ten phytopathogenic fungi, including Fusarium graminearum, Fusarium asiaticum, Fusarium redolens f.sp. dianthus, Fusarium verticillioides, Fusarium oxysporum f.sp. lentis, Sclerotinia sclerotiorum, Aspergillus flavus, Aspergillus tubingensis, Botrytis cinerea and Cladosporium cladosporioides. Chemical composition of these oils was identified by GC-MS analysis. Based on our results, Z. majdae essential oil exhibited the best antifungal activity among tested essential oils, completely inhibiting growth of five fungal species. EOs of Eucalyptus sp. and H. persicum showed moderate and poor antifungal capacity, respectively. GC-MS analysis demonstrated that linalool and camphor were the main components of the essential oils of Z. majdae; furthermore, 1,8-cineole and hexyl ester formed the major portions of Eucalyptus sp. and H. persicum EOs. Due to the significant inhibition of some EOs, additional research about their use for control of plant diseases caused by these fungi is recommended.
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Affiliation(s)
- M Davari
- Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Po. Box: 179, 5619913131 Ardabil, Iran.
| | - R Ezazi
- Department of Plant Protection, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
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Temel HE, Demirci B, Demirci F, Celep F, Kahraman A, Doğan M, Hüsnü Can Başer K. Chemical characterization and anticholinesterase effects of essential oils derived from Salvia species. JOURNAL OF ESSENTIAL OIL RESEARCH 2016. [DOI: 10.1080/10412905.2016.1159257] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Halide. E. Temel
- Department of Biochemistry, Anadolu University, Faculty of Pharmacy, Eskişehir, Turkey
| | - Betül Demirci
- Department of Pharmacognosy, Anadolu University, Faculty of Pharmacy, Eskişehir, Turkey
| | - Fatih Demirci
- Department of Pharmacognosy, Anadolu University, Faculty of Pharmacy, Eskişehir, Turkey
- Anadolu University, Faculty of Health Sciences, Eskişehir, Turkey
| | - Ferhat Celep
- Department of Biology, Gazi University, Poılatlı Faculty of Science and Letters, Polatlı Ankara, Turkey
| | - Ahmet Kahraman
- Department of Biology, Uşak University, Faculty of Science and Letters, Uşak, Turkey
| | - Musa Doğan
- Department of Biology, Middle East Technical University, Faculty of Science and Letters, Ankara, Turkey
| | - Kemal Hüsnü Can Başer
- Department of Pharmacognosy, Anadolu University, Faculty of Pharmacy, Eskişehir, Turkey
- Department of Botany and Microbiology, King Saud University, Faculty of Science, Riyadh, Saudi Arabia
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Ali A, Tabanca N, Demirci B, Blythe EK, Ali Z, Baser KHC, Khan IA. Chemical composition and biological activity of four salvia essential oils and individual compounds against two species of mosquitoes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:447-56. [PMID: 25531412 DOI: 10.1021/jf504976f] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The chemical compositions of essential oils obtained from four species of genus Salvia were analyzed by gas chromatography with a flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). The main compounds identified from Salvia species essential oils were as follows: 1,8-cineole (71.7%), α-pinene (5.1%), camphor (4.4%), and β-pinene (3.8%) in Salvia apiana; borneol (17.4%), β-eudesmol (10.4%), bornyl acetate (5%), and guaiol (4.8%) in Salvia elegans; bornyl acetate (11.4%), β-caryophyllene (6.5%), caryophyllene oxide (13.5%), and spathulenol (7.0%) in Salvia leucantha; α-thujene (25.8%), viridiflorol (20.4%), β-thujene (5.7%), and camphor (6.4%) in Salvia officinalis. In biting-deterrent bioassays, essential oils of S. leucantha and S. elegans at 10 μg/cm(2) showed activity similar to that of DEET (97%, N, N-diethyl-m-toluamide) in two species of mosquitoes, whereas the activities of S. officinalis and S. apiana essential oils were lower than those of the other oils or DEET. Pure compounds β-eudesmol and guaiol showed biting-deterrent activity similar to DEET at 25 nmol/cm(2), whereas the activity of 13-epi-manool, caryophyllene oxide, borneol, bornyl acetate, and β-caryophyllene was significantly lower than that of β-eudesmol, guaiol, or DEET. All essential oils showed larvicidal activity except that of S. apiana, which was inactive at the highest dose of 125 ppm against both mosquito species. On the basis of 95% CIs, all of the essential oils showed higher toxicity in Anopheles quadrimaculatus than in Aedes aegypti. The essential oil of S. leucantha with an LC50 value of 6.2 ppm showed highest toxicity in An. quadrimaculatus.
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Affiliation(s)
- Abbas Ali
- National Center for Natural Products Research, The University of Mississippi , University, Mississippi 38677, United States
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Barreto RSS, Albuquerque-Júnior RLC, Araújo AAS, Almeida JRGS, Santos MRV, Barreto AS, DeSantana JM, Siqueira-Lima PS, Quintans JSS, Quintans-Júnior LJ. A systematic review of the wound-healing effects of monoterpenes and iridoid derivatives. Molecules 2014; 19:846-62. [PMID: 24419138 PMCID: PMC6271983 DOI: 10.3390/molecules19010846] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 12/09/2013] [Accepted: 12/17/2013] [Indexed: 02/07/2023] Open
Abstract
The search for more effective and lower cost therapeutic approaches for wound healing remains a challenge for modern medicine. In the search for new therapeutic options, plants and their metabolites are a great source of novel biomolecules. Among their constituents, the monoterpenes represent 90% of essential oils, and have a variety of structures with several activities such as antimicrobial, anti-inflammatory, antioxidant and wound healing. Based on that, and also due to the lack of reviews concerning the wound-healing activity of monoterpenes, we performed this systematic review-which provides an overview of their characteristics and mechanisms of action. In this search, the terms "terpenes", "monoterpenes", "wound healing" and "wound closure techniques" were used to retrieve articles published in LILACS, PUBMED and EMBASE until May 2013. Seven papers were found concerning the potential wound healing effect of five compouds (three monoterpenes and two iridoid derivatives) in preclinical studies. Among the products used for wound care, the films were the most studied pharmaceutical form. Monoterpenes are a class of compounds of great diversity of biological activities and therapeutic potential. The data reviewed here suggest that monoterpenes, although poorly studied in this context, are promising compounds for the treatment of chronic wound conditions.
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Affiliation(s)
- Rosana S S Barreto
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | | | - Adriano A S Araújo
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - Jackson R G S Almeida
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - Márcio R V Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - André S Barreto
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - Josimari M DeSantana
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - Pollyana S Siqueira-Lima
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
| | - Jullyana S S Quintans
- Department of Physiology, Federal University of Sergipe, São Cristóvão 49.100-000, Sergipe, Brazil
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Camphor--a fumigant during the Black Death and a coveted fragrant wood in ancient Egypt and Babylon--a review. Molecules 2013; 18:5434-54. [PMID: 23666009 PMCID: PMC6270224 DOI: 10.3390/molecules18055434] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 04/21/2013] [Accepted: 05/06/2013] [Indexed: 12/17/2022] Open
Abstract
The fragrant camphor tree (Cinnamomum camphora) and its products, such as camphor oil, have been coveted since ancient times. Having a rich history of traditional use, it was particularly used as a fumigant during the era of the Black Death and considered as a valuable ingredient in both perfume and embalming fluid. Camphor has been widely used as a fragrance in cosmetics, as a food flavourant, as a common ingredient in household cleaners, as well as in topically applied analgesics and rubefacients for the treatment of minor muscle aches and pains. Camphor, traditionally obtained through the distillation of the wood of the camphor tree, is a major essential oil component of many aromatic plant species, as it is biosynthetically synthesised; it can also be chemically synthesised using mainly turpentine as a starting material. Camphor exhibits a number of biological properties such as insecticidal, antimicrobial, antiviral, anticoccidial, anti-nociceptive, anticancer and antitussive activities, in addition to its use as a skin penetration enhancer. However, camphor is a very toxic substance and numerous cases of camphor poisoning have been documented. This review briefly summarises the uses and synthesis of camphor and discusses the biological properties and toxicity of this valuable molecule.
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Sumalan RM, Alexa E, Poiana MA. Assessment of inhibitory potential of essential oils on natural mycoflora and Fusarium mycotoxins production in wheat. Chem Cent J 2013; 7:32. [PMID: 23409841 PMCID: PMC3598923 DOI: 10.1186/1752-153x-7-32] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Accepted: 01/02/2013] [Indexed: 01/26/2023] Open
Abstract
Background In the last years essential oils from different plants were used in the prevention of fungi and mycotoxins accumulation in cereals. The most attractive aspect derived from using of essential oils as seed grains protectants is due to their non-toxicity. This study was focused on assessment the inhibitory effect of some essential oils: Melissa officinalis (O1), Salvia officinalis (O2), Coriandrum sativum (O3), Thymus vulgaris (O4) Mentha piperita (O5) and Cinnamomum zeylanicum (O6) against natural mycoflora and Fusarium mycotoxins production correlated with their antioxidants properties. Results All essential oils showed inhibitory effect on fungal contamination of wheat seeds. This ability was dose-dependent. The highest inhibitory effect on Fusarium and Aspergillus fungi was recorded after 5 days of treatment. Fungi such as yeast (Pichia, Saccharomyces and Hyphopichia) were predominantly on seeds mycoflora after 22 days. Each treatment had a selective inhibitory effect on frequency of fungus genera. After 5 days of treatment the most fungicidal effect was recorder for O4, followed by O1. In terms of essential oils effect on mycotoxins development, the best control on fumonisins (FUMO) production was recorded for O6. The antioxidant properties of essential oils decreased in order: O4 > O1 > O6 > O5 > O2 > O3. Also, our data suggested that there is a significant negative correlation between antioxidant properties and seed contamination index (SCI), but there was not recorded a good correlation between antioxidant properties and FUMO content. Conclusions Based on proven antifungal and antimycotoxin effects as well as their antioxidant properties, the essential oils could be recommended as natural preservatives for stored cereals. The highest inhibition of fungal growth was noted after 5 days of treatment and decreased after 22 days.
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Affiliation(s)
- Renata-Maria Sumalan
- Banat's University of Agricultural Sciences and Veterinary Medicine from Timisoara, Faculty of Food Processing Technology, Calea Aradului 119, Timisoara RO 300645, Romania.
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Sellami IH, Bettaieb I, Bourgou S, Dahmani R, Limam F, Marzouk B. Essential oil and aroma composition of leaves, stalks and roots of celery(Apium graveolens var. dulce)from Tunisia. JOURNAL OF ESSENTIAL OIL RESEARCH 2012. [DOI: 10.1080/10412905.2012.728093] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Use of 'natural' products as alternatives to antibiotic feed additives in ruminant production. Animal 2012; 1:1443-66. [PMID: 22444918 DOI: 10.1017/s1751731107000742] [Citation(s) in RCA: 121] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The banning in 2006 of the use of antibiotics as animal growth promoters in the European Union has increased demand from producers for alternative feed additives that can be used to improve animal production. This review gives an overview of the most common non-antibiotic feed additives already being used or that could potentially be used in ruminant nutrition. Probiotics, dicarboxylic acids, enzymes and plant-derived products including saponins, tannins and essential oils are presented. The known modes of action and effects of these additives on feed digestion and more especially on rumen fermentations are described. Their utility and limitations in field conditions for modern ruminant production systems and their compliance with the current legislation are also discussed.
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18
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Wu YB, Ni ZY, Shi QW, Dong M, Kiyota H, Gu YC, Cong B. Constituents from Salvia Species and Their Biological Activities. Chem Rev 2012; 112:5967-6026. [DOI: 10.1021/cr200058f] [Citation(s) in RCA: 277] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yi-Bing Wu
- School of
Pharmaceutical Sciences,
Hebei Key Laboratory of Forensic Medicine, Hebei Medical University,
Shijiazhuang, Hebei Province 050017, China
| | - Zhi-Yu Ni
- School of
Pharmaceutical Sciences,
Hebei Key Laboratory of Forensic Medicine, Hebei Medical University,
Shijiazhuang, Hebei Province 050017, China
| | - Qing-Wen Shi
- School of
Pharmaceutical Sciences,
Hebei Key Laboratory of Forensic Medicine, Hebei Medical University,
Shijiazhuang, Hebei Province 050017, China
| | - Mei Dong
- Department of Forensic Medicine,
Hebei Medical University, Hebei Key Laboratory of Forensic Medicine,
Shijiazhuang, Hebei Province 050017, China
| | - Hiromasa Kiyota
- Department of Bioscience and Biotechnology
for Future Bioindustry, Graduate School of Agricultural Science, Tohoku
University, 1-1 Tsutsumidori-Amamiya, Aoba-ku, Sendai 981-8555, Japan
| | - Yu-Cheng Gu
- School of
Pharmaceutical Sciences,
Hebei Key Laboratory of Forensic Medicine, Hebei Medical University,
Shijiazhuang, Hebei Province 050017, China
- Syngenta Jealott’s Hill
International Research Centre, Berkshire RG42 6EY, United Kingdom
| | - Bin Cong
- Department of Forensic Medicine,
Hebei Medical University, Hebei Key Laboratory of Forensic Medicine,
Shijiazhuang, Hebei Province 050017, China
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Tan KH, Nishida R. Methyl eugenol: its occurrence, distribution, and role in nature, especially in relation to insect behavior and pollination. JOURNAL OF INSECT SCIENCE (ONLINE) 2012; 12:56. [PMID: 22963669 PMCID: PMC3500151 DOI: 10.1673/031.012.5601] [Citation(s) in RCA: 139] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Accepted: 08/27/2011] [Indexed: 05/23/2023]
Abstract
This review discusses the occurrence and distribution (within a plant) of methyl eugenol in different plant species (> 450) from 80 families spanning many plant orders, as well as various roles this chemical plays in nature, especially in the interactions between tephritid fruit flies and plants.
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Affiliation(s)
- Keng Hong Tan
- Tan Hak Heng, 20, Jalan Tan Jit Seng, 11200 Penang, Malaysia
| | - Ritsuo Nishida
- Laboratory of Chemical Ecology, Graduate School of Agriculture, Kyoto University, Kyoto, 606–8502, Japan
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20
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Silva-Filho JC, Oliveira NNPM, Arcanjo DDR, Quintans-Júnior LJ, Cavalcanti SCH, Santos MRV, Oliveira RDCM, Oliveira AP. Investigation of mechanisms involved in (-)-borneol-induced vasorelaxant response on rat thoracic aorta. Basic Clin Pharmacol Toxicol 2011; 110:171-7. [PMID: 21883938 DOI: 10.1111/j.1742-7843.2011.00784.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The monoterpene (-)-borneol is present in essential oils of several medicinal plants. The aim of this study was to evaluate (-)-borneol effects on rat thoracic aorta artery rings. The cumulative addition of (-)-borneol (10(-9) -3 × 10(-4) M) on a phenylephrine-induced pre-contraction (10(-6) M) promoted a vasorelaxant effect in a concentration-dependent manner and independent of vascular endothelium. A similar effect was obtained on KCl-induced pre-contractions (80 mM). (-)-Borneol (10(-5) -3 × 10(-4 ) M) inhibited contractions induced by cumulative addition of CaCl2 (10(-6) -3 × 10(-2) M) in depolarizing medium without Ca(2+) in a concentration-dependent manner. On S-(-) Bay K 8644-induced pre-contractions (10(-7) M), (-)-borneol did not induce significant changes compared with KCl-induced pre-contractions. In a Ca(2+) -free medium, (-)-borneol (10(-5) , 10(-4) or 10(-3) M) interfered in calcium mobilization from phenylephrine (10(-6) M)- or caffeine (20 mM)-sensitive intracellular stores. The involvement of K(+) channels was evaluated by tetraethylammonium (3 mM), 4-aminopyridine (1 mM) and glibenclamide (10(-5) M) pre-treatment, and (-)-borneol-induced vasorelaxation was markedly attenuated. Thus, this vasorelaxant effect can probably be attributed to calcium influx blockade through voltage-operated calcium channels (CaV L), calcium mobilization from intracellular stores and potassium channels activation.
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Affiliation(s)
- José Couras Silva-Filho
- Medicinal Plants Research Center, Federal University of Piauí, BrazilDepartament of Physiology, Federal University of Sergipe, Brazil
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21
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Tabanca N, Demirci B, Gürbüz İ, Demirci F, Becnel JJ, Wedge DE, Can Başer KH. Essential Oil Composition of Five Collections of Achillea Biebersteinii from Central Turkey and their Antifungal and Insecticidal Activity. Nat Prod Commun 2011. [DOI: 10.1177/1934578x1100600526] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The composition of the essential oils hydrodistilled from the aerial parts of five Achillea biebersteinii Afan samples, collected in central Turkey from Konya, Isparta and Ankara, were analyzed both by gas chromatography (GC-FID) and gas chromatography-mass spectrometry (GC-MS). Eighty-four components were identified, representing 87 to 99% of the total oil composition. The identified major components were 1,8-cineole (9-37%), camphor (16-30%) and p-cymene (1-27%). Two samples differed in piperitone (11%) and ascaridol (4%) content. The five A. biebersteinii essential oils were subsequently evaluated for their antifungal activity against the strawberry anthracnose-causing fungal plant pathogens Colletotrichum acutatum, C. fragariae and C. gloeosporioides using the direct overlay bioautography assay. The essential oils showed no antifungal activity at 80 and 160 μg/spot. In addition, A. biebersteinii oils and their major compounds were subsequently investigated against Aedes aegypti first instar larvae in a high throughput bioassay. Among the oils, only one sample from Ankara showed a notable larvacidal effect on Ae. aegypti larvae. The major compounds, 1,8-cineole, camphor and p-cymene, exhibited low mosquito larval activity, and thus the minor compounds are probably responsible for the observed activity against Ae. aegypti larvae. The oils showed weak activity against adult Ae. aegypti.
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Affiliation(s)
- Nurhayat Tabanca
- USDA-ARS- Natural Products Utilization Research Unit, University of Mississippi, University, MS 38677 USA
| | - Betül Demirci
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir, 26470, Turkey
| | - İlhan Gürbüz
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, 06330, Turkey
| | - Fatih Demirci
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir, 26470, Turkey
| | - James J. Becnel
- USDA-ARS-Center for Medical, Agricultural, and Veterinary Entomology, Gainesville, FL, 32608 USA
| | - David E. Wedge
- USDA-ARS- Natural Products Utilization Research Unit, University of Mississippi, University, MS 38677 USA
| | - Kemal Hüsnü Can Başer
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir, 26470, Turkey
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22
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Essential oil composition and antioxidant and antimicrobial properties of the aerial parts of Salvia eremophila Boiss. from Iran. Food Chem Toxicol 2010; 48:1371-6. [DOI: 10.1016/j.fct.2010.03.003] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2009] [Revised: 02/17/2010] [Accepted: 03/01/2010] [Indexed: 11/20/2022]
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23
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Gas chromatographic–mass spectrometric analysis of volatiles obtained by four different techniques from Salvia rosifolia Sm., and evaluation for biological activity. J Chromatogr A 2010; 1217:741-8. [DOI: 10.1016/j.chroma.2009.11.086] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2009] [Revised: 10/09/2009] [Accepted: 11/27/2009] [Indexed: 11/15/2022]
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24
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Horváth G, Kovács K, Kocsis B, Kustos I. Effect of Thyme (Thymus vulgaris L.) Essential Oil and Its Main Constituents on the Outer Membrane Protein Composition of Erwinia Strains Studied with Microfluid Chip Technology. Chromatographia 2009. [DOI: 10.1365/s10337-009-1374-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Horváthová E, Slamenová D, Marsálková L, Sramková M, Wsólová L. Effects of borneol on the level of DNA damage induced in primary rat hepatocytes and testicular cells by hydrogen peroxide. Food Chem Toxicol 2009; 47:1318-23. [PMID: 19285536 DOI: 10.1016/j.fct.2009.03.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2008] [Revised: 02/13/2009] [Accepted: 03/04/2009] [Indexed: 10/21/2022]
Abstract
The aim of this paper was to evaluate genotoxic effects of borneol and its ability to change DNA-damaging effects of H2O2 in rat hepatocytes and testicular cells. Both in vitro and ex vivo approaches were used in the case of hepatocytes. Testicular cells were tested only ex vivo, i.e. shortly after isolation from rats supplemented by borneol. Cytotoxicity of borneol increased in in vitro conditions in a concentration-dependent manner and it was associated with DNA-damaging effects at toxic concentrations. While non-toxic concentrations of borneol applied in vitro protected cells against H2O2-induced DNA damage and interfered only partly with rejoining of H2O2-induced DNA strand breaks, cytotoxic concentrations of borneol manifested synergy with H2O2, i.e. enhanced DNA-damaging effects of H2O2. On the other side, borneol given to rats in drinking water decreased the level of DNA damage induced by H2O2 in both hepatocytes and testicular cells. Our results show that though at higher concentrations (2-h treatment with >2 mM borneol >0.3084 mg/ml) borneol acts cytotoxically and genotoxically on primary hepatocytes cultured in vitro, if given to rats during 7 days in a daily concentration of 17.14 or 34.28 mg/kg it reduces genotoxicity of H2O2 in both hepatocytes and testicular cells.
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Affiliation(s)
- E Horváthová
- Laboratory of Mutagenesis and Carcinogenesis, Cancer Research Institute, Slovak Academy of Sciences, Vlárska 7, 833 91 Bratislava, Slovakia
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Šavikin KP, Ristić MS, Zdunić GM, Stević T, Menković NR. Chemical Composition and Antimicrobial Activity of Essential Oil ofSalvia ringensSibth. et Sm. var.baldaccianaBriq. JOURNAL OF ESSENTIAL OIL RESEARCH 2008. [DOI: 10.1080/10412905.2008.9700031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Pérez-López A, Orozco-Hayek M, Rivas-Galindo V, De Torres NW. Experimental Design to Determine the Factors Affecting the Preparation of Extracts for Antibacterial Use. Nat Prod Commun 2008. [DOI: 10.1177/1934578x0800300311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The selection of an activity test to screen plants for antimicrobial agents is in itself a problem. However, the preparation of those extracts is a very important step and full attention has not yet been given to this issue. This study was performed in two parts. In the first, different solvents were tested to select the best extractant for three plants used in Mexico to treat infections: Leucophyllum frutescens, Cordia boissieri, and Cyperus alternifolius. In the second part, an experimental design was developed for the most active extract assayed in the first part of the study, using factorial analysis at two levels. The variable under evaluation was the minimum inhibitory concentration (MIC) of the extract active against a resistant strain of Staphylococcus aureus, and the number of active spots identified in a bioautographic assay. The solvents used for the first phase of the study were selected from those most often cited in articles on antimicrobial screening. The best recoveries and lowest MICs were obtained with hydroalcoholic extracts. Shorter extraction times and storage times gave lower MICs; however, the volume of solvent and speed of agitation had no significant effect on MIC.
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Affiliation(s)
- Alejandro Pérez-López
- Departamento de Química Analítica, Facultad de Medicina, U.A.N.L. P.O. Box 2316, Sucursal Tecnológico, 64841 Monterrey, N.L., México
| | - Marcela Orozco-Hayek
- Departamento de Química Analítica, Facultad de Medicina, U.A.N.L. P.O. Box 2316, Sucursal Tecnológico, 64841 Monterrey, N.L., México
| | - Verónica Rivas-Galindo
- Departamento de Química Analítica, Facultad de Medicina, U.A.N.L. P.O. Box 2316, Sucursal Tecnológico, 64841 Monterrey, N.L., México
| | - Noemí Waksman De Torres
- Departamento de Química Analítica, Facultad de Medicina, U.A.N.L. P.O. Box 2316, Sucursal Tecnológico, 64841 Monterrey, N.L., México
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Tabanca N, Demirci B, Crockett SL, Başer KHC, Wedge DE. Chemical composition and antifungal activity of Arnica longifolia, Aster hesperius, and Chrysothamnus nauseosus essential oils. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2007; 55:8430-5. [PMID: 17894463 DOI: 10.1021/jf071379c] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Essential oils from three different Asteraceae obtained by hydrodistillation of aerial parts were analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC/MS). Main compounds obtained from each taxon were found as follows: Arnica longifolia carvacrol 37.3%, alpha-bisabolol 8.2%; Aster hesperius hexadecanoic acid 29.6%, carvacrol 15.2%; and Chrysothamnus nauseosus var. nauseosus beta-phellandrene 22.8% and beta-pinene 19.8%. Essential oils were also evaluated for their antimalarial and antimicrobial activity against human pathogens, and antifungal activities against plant pathogens. No antimalarial and antimicrobial activities against human pathogens were observed. Direct bioautography demonstrated antifungal activity of the essential oils obtained from three Asteraceae taxa and two pure compounds, carvacrol and beta-bisabolol, to the plant pathogens Colletotrichum acutatum, C. fragariae and C. gloeosporioides. Subsequent evaluation of antifungal compounds using a 96-well micro-dilution broth assay indicated that alpha-bisabolol showed weak growth inhibition of the plant pathogen Botrytis cinerea after 72 h.
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Affiliation(s)
- Nurhayat Tabanca
- USDA, ARS, NPURU, National Center for Natural Products Research, The University of Mississippi, University, Mississippi 38677, USA
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Bakkali F, Averbeck S, Averbeck D, Idaomar M. Biological effects of essential oils--a review. Food Chem Toxicol 2007; 46:446-75. [PMID: 17996351 DOI: 10.1016/j.fct.2007.09.106] [Citation(s) in RCA: 3344] [Impact Index Per Article: 196.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2006] [Revised: 08/23/2007] [Accepted: 09/21/2007] [Indexed: 12/12/2022]
Abstract
Since the middle ages, essential oils have been widely used for bactericidal, virucidal, fungicidal, antiparasitical, insecticidal, medicinal and cosmetic applications, especially nowadays in pharmaceutical, sanitary, cosmetic, agricultural and food industries. Because of the mode of extraction, mostly by distillation from aromatic plants, they contain a variety of volatile molecules such as terpenes and terpenoids, phenol-derived aromatic components and aliphatic components. In vitro physicochemical assays characterise most of them as antioxidants. However, recent work shows that in eukaryotic cells, essential oils can act as prooxidants affecting inner cell membranes and organelles such as mitochondria. Depending on type and concentration, they exhibit cytotoxic effects on living cells but are usually non-genotoxic. In some cases, changes in intracellular redox potential and mitochondrial dysfunction induced by essential oils can be associated with their capacity to exert antigenotoxic effects. These findings suggest that, at least in part, the encountered beneficial effects of essential oils are due to prooxidant effects on the cellular level.
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Affiliation(s)
- F Bakkali
- Institut Curie-Section de Recherche, UMR2027 CNRS/IC, LCR V28 CEA, Bât. 110, Centre Universitaire, 91405 Orsay cedex, France; Université Abdelmalek Essâadi, Faculté des Sciences, Laboratoire de Biologie et Santé, BP 2121, Tétouan, Morocco
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Tabanca N, Demirci F, Demirci B, Wedge DE, Baser KHC. Composition, enantiomeric distribution, and antimicrobial activity of Tanacetum argenteum subsp. flabellifolium essential oil. J Pharm Biomed Anal 2007; 45:714-9. [PMID: 17884324 DOI: 10.1016/j.jpba.2007.08.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2007] [Revised: 08/03/2007] [Accepted: 08/08/2007] [Indexed: 10/23/2022]
Abstract
Tanacetum argenteum (Lam.) Willd. subsp. flabellifolium (Boiss. & Heldr.) Grierson of Asteraceae is an endemic species in Turkey. Hydrodistillation of aerial parts using a Clevenger apparatus yielded an essential oil, which was subsequently analyzed by gas chromatography-mass spectroscopy (GC-MS). alpha-Pinene (29%), (E)-sesquilavandulol (16%), and camphor (14%) were found as main constituents. Enantiomeric distribution of the monoterpenes alpha-pinene and camphor was determined on a fused silica Lipodex E capillary column using a multidimensional gas chromatography-mass spectroscopy (MDGC-MS) system, (-)-alpha-pinene (86%), (+)-alpha-pinene (14%), and (-)-camphor (100%) enantiomeric distributions were found in the oil. Furthermore, antimicrobial activity of the oil was carried out using a micro-dilution assay against human pathogenic bacteria and the yeast Candida albicans resulting in moderate inhibitory concentrations (MIC=125 microg/mL).
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Affiliation(s)
- Nurhayat Tabanca
- USDA-ARS-NPURU, The University of Mississippi, University, MS 38677, USA.
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